Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.


quasi
Posts:
11,765
Registered:
7/15/05


Re: 2nd (raw?) moment of uniform PDF
Posted:
Feb 14, 2013 8:38 PM


Paul wrote: > >The papers states that the second moment of X~U(a,b) is: > > E(X^2) = ( b^3  a^3 ) / 3(ba) > >My own integration of x^2 from a to b yields (b^3a^3)/3. > >Can anyone point out where Hauptmanns's extra normalization >factor 1/(ba) comes from?
The probability mass function is 1/(ba).
quasi



